Re: help diagnosing possible graphics issue with Thinkpad T61 Nvidia Quadro NVS140

2012-01-27 Thread Michael

> As a temporary stopgap, I've been able to get slow 2D graphics on my 
> external monitor via the fbdev X11 driver.

fbdev does use the GPU memory but not the GPU itself, if i recall right. So 
maybe either the GPU chip is defect (or lose) or there was a change in driver 
or kernel (upgrade). Or the always unknown third possibility ;)

Anyway, i would at least screw it open and have a close look, maybe something 
simply got lose or some rubbish laying around.


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Re: help diagnosing possible graphics issue with Thinkpad T61 Nvidia Quadro NVS140

2012-01-27 Thread Jimmy Wu
On Thu, 26 Jan 2012, 18:48-0500, Jimmy Wu  wrote:
...
> I can still use my thinkpad as a headless server and I'll keep an eye 
> out for used boards being sold for cheap so I can troubleshoot it in my 
> spare time.  However, I really need a reliable and functioning main 
> system to do work on *now*, so I've decided to go buy a new laptop. I've 
> been trying to decide whether I want to buy another Thinkpad or use this 
> sudden opportunity to get a notebook from one of the linux hardware 
> vendors like ZaReason [1], System76 [2], or Ohava [3]. 

As a temporary stopgap, I've been able to get slow 2D graphics on my 
external monitor via the fbdev X11 driver.


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Re: help diagnosing possible graphics issue with Thinkpad T61 Nvidia Quadro NVS140

2012-01-26 Thread Jimmy Wu
First, thank you to everyone who replied with suggestions.

On Thu, 26 Jan 2012, 20:08+0100, Peter Funk  wrote:
> > A brief chronology of events:
> ...
> Did you check the temperature of your NVidia GPU ?
> Use 
> sudo nvidia-smi -a

Overheating may have been the cause of the failure in the past but 
currently X won't start even when the GPU is at a fairly innocuous 56 C, 
so I'm afraid the system may be past that point now. 

On Thu, 26 Jan 2012, 11:38-0600, Preston Boyington  
wrote:
> this seems like a definite hardware issue unrelated to any operating
> system.  I might look to see if there is a firmware update/fix as a
> last ditch effort.  if it were me I'd start saving for a new laptop.

Getting a new computer is what I plan on doing.

Does it mean anything if console output seems to work normally out the 
VGA connection?  The weird split and duplicated screen behavior only 
occurs on the native display.

On Thu, 26 Jan 2012, 22:47+0100, Michael  wrote:
> Uh, sorry, last year you bought the monitor, not the laptop.
> 
> Well then, like Preston said. If you are lucky the DVI is a separate part and 
> exchangeable. Graphic card could be exchangeable too (but could be also 
> on-board chip). If you find another T61, in the used parts market, which is 
> defect in some other way, you could be able to do it yourself. 
> But it's a lot of effort with totally uncertain outcome.
> I would be interested in your resolution.

I can still use my thinkpad as a headless server and I'll keep an eye 
out for used boards being sold for cheap so I can troubleshoot it in my 
spare time.  However, I really need a reliable and functioning main 
system to do work on *now*, so I've decided to go buy a new laptop. I've 
been trying to decide whether I want to buy another Thinkpad or use this 
sudden opportunity to get a notebook from one of the linux hardware 
vendors like ZaReason [1], System76 [2], or Ohava [3]. 

[1] zareason.com
[2] www.system76.com
[3] www.ohava.com

Thanks again,

Jimmy


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Re: help diagnosing possible graphics issue with Thinkpad T61 Nvidia Quadro NVS140

2012-01-26 Thread Michael
Uh, sorry, last year you bought the monitor, not the laptop.

Well then, like Preston said. If you are lucky the DVI is a separate part and 
exchangeable. Graphic card could be exchangeable too (but could be also 
on-board chip). If you find another T61, in the used parts market, which is 
defect in some other way, you could be able to do it yourself. 
But it's a lot of effort with totally uncertain outcome.
I would be interested in your resolution.


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Re: help diagnosing possible graphics issue with Thinkpad T61 Nvidia Quadro NVS140

2012-01-26 Thread Michael
Doesn't Lenovo grant 2 years warranty ? Claim it.

I would tell them the issue anyway, because only then they might get attentive 
and fix the issue in new models.


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Re: help diagnosing possible graphics issue with Thinkpad T61 Nvidia Quadro NVS140

2012-01-26 Thread Preston Boyington

Jimmy Wu wrote:


the screen is split across the middle
and the top and bottom halves are exact copies of each other.  This
begins with the Thinkpad pre-BIOS logo and... the Thinkpad logo that appears 
when
the system is turn on initially is a bit corrupted as there are
columns of white pixels going down the screen.


this seems like a definite hardware issue unrelated to any operating 
system.  I might look to see if there is a firmware update/fix as a last 
ditch effort.  if it were me I'd start saving for a new laptop.



At this point, what are my options?  Based on what I can find online,
it seems the only way to go is to replace the system board or get a
new laptop, or try some crazy and risky tricks like baking the mobo in
an oven at high temperatures for a few minutes.


how about trying a usb video card (USB to VGA adapter)?  not a fix mind 
you, but maybe a workaround until you can get a new system.  I haven't 
used them with Linux so I can't tell you from experience that it will work.


good luck.
Preston


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